Risk Management and Derivatives (Schedule of Fair Values of Derivative Instruments Designated as Hedging Instruments Included within the Condensed Consolidated Balance Sheet) (Details) - USD ($) $ in Thousands	Jul. 29, 2017	Jan. 28, 2017	Jul. 30, 2016
Prepaid expenses and other current assets
Derivative [Line Items]
Asset Derivatives, Fair Value	$ 918	$ 234	$ 365
Other accrued expenses [Member]
Derivative [Line Items]
Liability Derivatives, Fair Value	$ 1,083	$ 874	$ 565